/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Contributor(s): Chingiz Dyussenov, Arystanbek Dyussenov.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/collada/collada.cpp
 *  \ingroup collada
 */


/* COLLADABU_ASSERT, may be able to remove later */
#include "COLLADABUPlatform.h"

#include "DocumentExporter.h"
#include "DocumentImporter.h"
#include "ExportSettings.h"
#include "ImportSettings.h"
#include "collada.h"

extern "C"
{
#include "BKE_scene.h"
#include "BKE_context.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"

/* make dummy file */
#include "BLI_fileops.h"
#include "BLI_linklist.h"


static void print_import_header(ImportSettings &import_settings)
{
	fprintf(stderr, "+-- Collada Import parameters------\n");
	fprintf(stderr, "| input file      : %s\n", import_settings.filepath);
	fprintf(stderr, "| use units       : %s\n", (import_settings.import_units)?"yes":"no");
	fprintf(stderr, "| autoconnect     : %s\n", (import_settings.auto_connect) ? "yes" : "no");
	fprintf(stderr, "+-- Armature Import parameters ----\n");
	fprintf(stderr, "| find bone chains: %s\n", (import_settings.find_chains) ? "yes" : "no");
	fprintf(stderr, "| min chain len   : %d\n", import_settings.min_chain_length);
	fprintf(stderr, "| fix orientation : %s\n", (import_settings.fix_orientation) ? "yes" : "no");
	fprintf(stderr, "| keep bind info  : %s\n", (import_settings.keep_bind_info) ? "yes" : "no");

}

static void print_import_footer(int status)
{
	fprintf(stderr, "+----------------------------------\n");
	fprintf(stderr, "| Collada Import : %s\n", (status)? "OK":"FAIL");
	fprintf(stderr, "+----------------------------------\n");
}

int collada_import(bContext *C, ImportSettings *import_settings)
{
	print_import_header(*import_settings);
	DocumentImporter imp(C, import_settings);
	int status = imp.import()? 1:0;
	print_import_footer(status);

	return status;
}

int collada_export(bContext *C,
                   ExportSettings *export_settings)
{
	BlenderContext blender_context(C);
	ViewLayer *view_layer = blender_context.get_view_layer();

	int includeFilter = OB_REL_NONE;
	if (export_settings->include_armatures) includeFilter |= OB_REL_MOD_ARMATURE;
	if (export_settings->include_children) includeFilter |= OB_REL_CHILDREN_RECURSIVE;

	/* Fetch the complete set of exported objects
	 * ATTENTION: Invisible objects will not be exported
	 */
	eObjectSet objectSet = (export_settings->selected) ? OB_SET_SELECTED : OB_SET_ALL;
	export_settings->export_set = BKE_object_relational_superset(view_layer, objectSet, (eObRelationTypes)includeFilter);

	int export_count = BLI_linklist_count(export_settings->export_set);

	if (export_count == 0) {
		if (export_settings->selected) {
			fprintf(stderr, "Collada: Found no objects to export.\nPlease ensure that all objects which shall be exported are also visible in the 3D Viewport.\n");
		}
		else {
			fprintf(stderr, "Collada: Your scene seems to be empty. No Objects will be exported.\n");
		}
	}
	else {
		if (export_settings->sort_by_name)
			bc_bubble_sort_by_Object_name(export_settings->export_set);
	}

	DocumentExporter exporter(blender_context, export_settings);
	int status = exporter.exportCurrentScene();

	BLI_linklist_free(export_settings->export_set, NULL);

	return (status) ? -1:export_count;
}

/* end extern C */
}
